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Finding the Third Proportional to 117,891,076 and 253,698,056

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Solution

The third proportional to 117,891,076 and 253,698,056 is: 545,950,599.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,891,076 : 253,698,056 = 253,698,056 : x
  2. Step 2: Convert to fraction form
    117,891,076/253,698,056 = 253,698,056/x
  3. Step 3: Cross multiply
    117,891,076x = 253,698,056 × 253,698,056
  4. Step 4: Simplify right side
    117,891,076x = 64,362,703,618,179,136
  5. Step 5: Solve for x
    x = 64,362,703,618,179,136/117,891,076
  6. Step 6: Final answer
    x = 545,950,599.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.